python - <<'PY'
import sys, json, pickle
from pathlib import Path
import numpy as np

def to_jsonable(x):
    if isinstance(x, dict):
        return {str(k): to_jsonable(v) for k,v in x.items()}
    if isinstance(x, (list, tuple, set)):
        return [to_jsonable(v) for v in x]
    if isinstance(x, (np.integer,)): return int(x)
    if isinstance(x, (np.floating,)): return float(x)
    if isinstance(x, (np.ndarray,)): return x.tolist()
    try:
        json.dumps(x); return x
    except Exception:
        return str(x)

path = Path(sys.argv[1])
with open(path,"rb") as f:
    obj = pickle.load(f)
out = path.with_suffix(".json")
out.write_text(json.dumps(to_jsonable(obj), ensure_ascii=False, indent=2))
print("Wrote:", out)
PY outputs/plot_ciwidth_best_vs_budget_Depolar_mean_bestby-mean.pickle